Networking
GRE Tunnel
GRE (Generic Routing Encapsulation) wraps layer 3 traffic inside IP protocol 47 packets, creating a simple point-to-point tunnel between two hosts. The tunnel …
Transmission Daemon
ConfigurationFirst install the transmission-daemon. The package is typically called transmission-daemon on Debian/Ubuntu and transmission-daemon or …
Suricata
OverviewSuricata is an open source network threat detection engine that can operate as an Intrusion Detection System (IDS), Intrusion Prevention System (IPS), …
SSHd
Secure Shell or SSH is a network protocol that allows data to be exchanged using a secure channel between two networked devices. Used primarily on GNU/Linux and …
Squid Guard
SquidGuard is a URL rewrite program that works alongside Squid. It takes information about a requested page and checks it against a series of ACLs, blacklists, …
Squid
For URL filtering please refer to the SquidGuard page. yum install squid -yAuthentication SetupBefore configuring squid you should get the authentication …
Linux Virtual Servers
KeepalivedMy VMs each have three interfaces, eth0 is the 'public' network network, eth1 is the 'synchronization' network, and eth2 is the 'internal' network. …
libvirtd
libvirt is an open source API and management tool for managing platform virtualization. It is used to manage Linux KVM and Xen virtual machines through …
Kerberos
Kerberos is a secure network authentication system. It is very important that system times are all very close for successful authentication. You should …